No....I have a hardware compatibility nightmare. I want a serial console
to go from my mac to my pc, both running linux. I did some research and
found that such cables exist: din9 to rs232...ugh...gotta order one of
those now.
Russell
On Sat, 2004-09-18 at 18:55, Ken Elliott wrote:
> >>I'd like to know if it's possible to use a regular phone cord to have one
> pc output to serial to another pc.
>
> No. Telephone lines don't work like serial lines. A phone line consists of
> two lines known as "tip" and "ring". The term comes from the old 1/4"
> connectors. The "tip" wire went to the tip of the connector, and the "ring"
> wire went to the "ring". Radio Shack sells a phone line emulator that lets
> you connect two telephones to the box to check their operation, and it would
> work with two modems. If I could find my old telephone hardware manual
> (somewhere in one of these boxes) we might be able to construct an emulator.
> That's way too much work.
>
> But, if you are using external modems, you might be able to remove the
> modems from the serial cables and hook the two serial cables together.
> Might they both use a DB-25 connector at the modem end? If so, I believe
> Radio Shack has a null modem adapter that will connect the "send" line of
> one to the "receive" line of the other (and vice versa).
>
> If both have an Ethernet port, it would be much easier and faster to connect
> them to a hub or use a crossover Ethernet cable.
>
> I assume your desire is to transfer data from your Mac to a PC. Is this a
> one-time deal, occasional or frequent need to connect?
>
> There's always the floppy disc option...
>
> Ken Elliott
>
> =====================
> -----Original Message-----
> From: slug@nks.net [mailto:slug@nks.net] On Behalf Of Russell Hires
> Sent: Friday, September 17, 2004 11:02 PM
> To: slug@nks.net
> Subject: [SLUG] Null modem and phone cord
>
> Hello all...
>
> So here I am, trying to get my mac to output to serial (through the
> modem) to my pc (through its modem)...using a regular phone cord. I don't
> have a null modem cable, besides, I've got two different kinds of
> hardware...they don't have the same type of connectors, though they do share
> the modems and phone cord...
>
> Both are running debian, and I know that I'm talking to the modem on each
> machine, but I can't get the one to output to the other. Or if it is, I
> can't tell...
>
> I'd like to know if it's possible to use a regular phone cord to have one pc
> output to serial to another pc. Can anyone help!
>
> TIA
>
> Russell
>
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